銆?/p>
-
鍙紪杈戜慨鏀?/p>
-
绗叓绔?/p>
鑹茶氨娉曞璁?/p>
涓�銆侀�夋嫨棰橈紙閫夋嫨
1-2
涓纭瓟妗堬級
1
銆佽壊璋辨煴涓浇姘斿钩鍧囨祦閫?/p>
(
u
)
鐨勬纭绠楀紡鏄?/p>
(
)
A
銆?/p>
u
=L/t
M
B
銆?/p>
A
銆?/p>
u
=L/t
R
C
銆?/p>
u
=L/ t
R
鈥?/p>
D
銆?/p>
A
銆?/p>
u
=L/k
2
銆佽壊璋卞浘涓婁竴涓壊璋卞嘲鐨勬纭弿杩版槸
(
)
A
銆佷粎浠ｈ〃涓�绉嶇粍鍒?/p>
B
銆佷唬琛ㄦ墍鏈夋湭鍒嗙缁勫垎
C
銆佸彲鑳戒唬琛ㄤ竴绉嶆垨涓�绉嶄互涓婄粍鍒?/p>
D
銆佷粎浠ｈ〃妫�娴嬩俊鍙峰彉鍖?/p>
3
銆佷笅鍒椾繚鐣欏弬鏁颁腑瀹屽叏浣撶幇鑹茶氨鏌卞浐瀹氱浉瀵圭粍鍒嗘粸鐣欎綔鐢ㄧ殑鏄?/p>
(
)
A
銆佹鏃堕棿
B
銆佷繚鐣欐椂闂?/p>
C
銆佽皟鏁翠繚鐣欐椂闂?/p>
D
銆佺浉瀵逛繚鐣欐椂闂?/p>
4
銆佽壊璋变繚鐣欏弬鏁扳�滄鏃堕棿鈥濈殑姝ｇ‘鍚箟鏄?/p>
(
)
A
銆佽浇姘旀祦缁忚壊璋辨煴鎵�闇�鏃堕棿
B
銆佹墍鏈夌粍鍒嗘祦缁忚壊璋辨煴鎵�闇�鏃堕棿
C
銆佸緟娴嬬粍鍒嗘祦缁忚壊璋辨煴鎵�闇�鏃堕棿
D
銆佸畬鍏ㄤ笉涓庡浐瀹氱浉浣滅敤缁勫垎娴佺粡鑹茶氨鏌辨墍闇�鏃堕棿
5
銆佽壊璋卞嘲鐨勫尯鍩熷搴︾敤浜庤壊璋辨煴鏁堣兘鐨勮瘎浠凤紝涓嬪垪鍙傛暟涓嶅睘浜庡尯鍩熷搴︾殑鏄?/p>
(
)
A
銆?/p>
飦?/p>
B
銆?/p>
W
h/2
C
銆?/p>
W
D
銆?/p>
t
R
6
銆佸彲鐢ㄥ仛瀹氶噺鍒嗘瀽渚濇嵁鐨勮壊璋卞浘鍙傛暟鏄?/p>
(
)
A
銆?/p>
A
B
銆?/p>
h
C
銆?/p>
W
D
銆?/p>
t
R
7
銆佽壊璋辨硶瑙勫畾瀹屽叏鍒嗙鏃跺垎绂诲害
(R)
鐨勬暟鍊兼槸
(
)
A
銆?/p>
R=1.0
B
銆?/p>
R=1.5